Complete Riley's interrogation.

Use your wingsuit to reach the Southern island.

Survive the encounter with Vaas and escape.

Kill 4 enemies simultaneously with one explosion (Single Player only).

Complete "Captured."

Complete "Armada."

Complete "Collapse."

Complete "Crash."

Complete "Sentinel."

Stop an AST with an EMP grenade.

Killed a Chubby

Opened the chest at the bus stop in Fyrestone

Knock 25 Drones out of the sky with EMP grenades.